Question

Find the value of the following expressions, if a = - 1, b = -2, c = 2.
(i) 2abc - a²bc + abc2 (ii) a2b2 - ab2 + ac2​

Answer 1

Answer:

if ,, a= -1 b= -2 c =2 then

Step-by-step explanation:

1. 1) 2ab-a²bc + abc2

Answer 2

Answer:

1. value of 1st question is 20
2. value of 2nd question is -4

Step-by-step explanation:

1. (2×-1×-2×2)+(1×-2×2)+(-1×-2×4)

=(2×2×2)+-4+(2×4)

=8--4+8

=16+4

=20

2. (1×4) -(-1×4)+(-1×4)

=4-(-4)+(-4)

=-4